/*
 *
 *  Copyright 2019 Kennedy Tochukwu Ekeoha 
 *  
 *  Redistribution and use in source and binary forms, with or without 
 *  modification, are permitted provided that the following conditions 
 *  are met: 
 *  
 *  1. Redistributions of source code must retain the above copyright 
 *  notice, this list of conditions and the following disclaimer. 
 *  
 *  2. Redistributions in binary form must reproduce the above copyright 
 *  notice, this list of conditions and the following disclaimer in the 
 *  documentation and/or other materials provided with the distribution. 
 *  
 *  3. Neither the name of the copyright holder nor the names of its 
 *  contributors may be used to endorse or promote products derived from 
 *  this software without specific prior written permission. 
 *  
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 *  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 
 *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
 *  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 
 *  WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 *  POSSIBILITY OF SUCH DAMAGE.
 *  
 */

import 'dart:io';

import 'package:pedantic/pedantic.dart';
import 'package:udp/udp.dart';

main() async {
  // MULTICAST
  var multicastEndpoint =
      Endpoint.multicast(InternetAddress("239.1.2.3"), port: Port(54321));

  var receiver = await UDP.bind(multicastEndpoint);

  var sender = await UDP.bind(Endpoint.any());

  unawaited(receiver.listen((datagram) {
    if (datagram != null) {
      var str = String.fromCharCodes(datagram?.data);

      stdout.write(str);
    }
  }));

  await sender.send("Foo".codeUnits, multicastEndpoint);

  await Future.delayed(Duration(seconds: 5));

  sender.close();
  receiver.close();
}
